Home / 62,531.31-86,283.91-37,989.38

Finding the Fourth Proportional to 62,531.31, 86,283.91 and 37,989.38

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Solution

The fourth proportional to 62,531.31, 86,283.91 and 37,989.38 is: 52,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,531.31 : 86,283.91 = 37,989.38 : x
  2. Step 2: Convert to fraction form
    62,531.31/86,283.91 = 37,989.38/x
  3. Step 3: Cross multiply
    62,531.31x = 86,283.91 × 37,989.38
  4. Step 4: Simplify right side
    62,531.31x = 3,277,872,244.88
  5. Step 5: Solve for x
    x = 3,277,872,244.88/62,531.31
  6. Step 6: Final answer
    x = 52,419.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.